[2.7] bpo-30197: Enhance swap_attr() and backport swap_item() in test.test_support. (#1341)#1347

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serhiy-storchaka merged 2 commits intopython:2.7from

serhiy-storchaka:backport-d1a1def-2.7

Apr 28, 2017

Commits on Apr 28, 2017

[2.7] bpo-30197: Enhance swap_attr() and backport swap_item() in test.test_support. (#1341)
serhiy-storchaka
committed
[2.7] bpo-30197: Enhance functions swap_attr() and swap_item() in test.support. (GH-1341)
serhiy-storchaka
committed